package com.honglv.controller.common;

import com.honglv.constant.MessageConstant;
import com.honglv.exception.BaseException;
import com.honglv.pojo.result.Result;
import com.honglv.utils.AliOssUtil;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.File;
import java.io.IOException;
import java.util.UUID;


    @RestController
    @RequestMapping("/common")
    @Api(tags = "通用接口")
    @Slf4j
    public class CommonController {
        @Autowired
        private AliOssUtil aliOssUtil;
        /**
         * 文件上传
         * @param file
         * @return
         */
        @PostMapping("/upload")
        @ApiOperation("上传文件")

        public Result<String> upload(@RequestBody MultipartFile file)  {
            log.info("文件上传:{}",file);
            if (file == null){
                throw new BaseException("参数为空");
            }
            //原始文件名
            try {
                String originalFilename = file.getOriginalFilename();

                //获取原始文件名的后缀,xxxxx.png
                String extension = originalFilename.substring(originalFilename.lastIndexOf("."));
                //构建新文件名称
                String objectName = UUID.randomUUID().toString() + extension;
                //文件的请求路径
                String filePath = aliOssUtil.upload(file.getBytes(), objectName);
                return Result.success(filePath);
            } catch (IOException e){
                log.error("文件上传失败:{}",e);
            }
            return Result.error(MessageConstant.UPLOAD_FAILED);


        }

}
